Stadium: Court 2 Round: 45
| Challenger Gimcheon Qual | 2017/04/30 03:45 | Takuto Niki v Ki Su Jung | 6-1,6-2 |
| Challenger Gimcheon Qual | 2017/04/29 04:30 | Ki Su Jung v Min Hyun Lee | 6-4,6-3 |
| ITF Korea F1 | 2016/06/15 02:30 | Ki Su Jung v Oh-Hee Kwon | 3-6,6-4,3-6 |
| Challenger Gimcheon | 2017/05/02 04:20 | Go Soeda v Austin Krajicek | 7-6,6-2 |
| Challenger Gimcheon Qual | 2017/05/01 02:00 | Austin Krajicek v Lloyd Glasspool | 6-4,5-7,6-4 |
| Challenger Gimcheon Qual | 2017/04/30 03:50 | Austin Krajicek v Felix Auger Aliassime | 4-6,7-6,7-6 |
| Challenger Gimcheon Qual | 2017/04/29 06:05 | Austin Krajicek v Edward Corrie | 2-6,6-2,7-6 |
| Challenger Anning Qual | 2017/04/23 06:30 | Philipp Oswald v Austin Krajicek | 6-3,6-4 |
| Challenger Leon Qual | 2017/03/28 00:05 | Austin Krajicek v Yannick Hanfmann | 3-6,5-7 |
| Challenger Leon Qual | 2017/03/27 18:50 | Austin Krajicek v Eduardo Struvay | 6-1,6-7,6-2 |
| Challenger Guadalajara | 2017/03/21 23:10 | Mitchell Krueger v Austin Krajicek | 7-6,6-3 |